Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tra chat ve snippets" » "tra chat code snippets", "tran chau ve snippets", "tran nhat ve snippets", "hoa chat ve snippets", "tra chat va snippets", "tra nhat ve snippets", "tra chat vo snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("tra chat ve snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tra chat ve snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tra chat ve snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tra chat ve snippets"))) or ("locating bug core snippets"))*.